Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of making a decision about when to plant streptocarpella is to use the USDA zone info for Coleman.

Planting Calendar for Streptocarpella

Frost tolerance for streptocarpella:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You can not plant streptocarpella until after all chance of frost has passed because they require warm weather.

The earliest that you can plant streptocarpella in Coleman is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant streptocarpella and expect a good harvest is probably August. If you wait any later than that and your streptocarpella may not have a chance to really do well. If you are starting your streptocarpella indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Coleman. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Coleman may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Coleman it frosts late in the year after March 15 so make sure that you are ready to protect your streptocarpella in the event of a surprise late frost.

USDA Zone Info for Coleman

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Coleman

You may be interested in your other planting guides for Coleman.